Region
- Acushnet (Mass.)1
- Ada County (Idaho)1
- Adair County (Mo.)1
- Adams (N.Y.)1
- Adams County (Miss.)7
- Adams County (Pa.)2
- Addis Ababa (Ethiopia)1
- Addison County (Vt.)8
- Adelaide (S.A.)5
- Adrian (Mich.)1
- Adriatic Sea2
- Adriatic Sea Region3
- Aegean Islands (Greece and Turkey)1
- Aegean Sea Region2
- Afghanistan46
- Africa1,120
- Africa, Central23
- Africa, East51
- Africa, Eastern21
- Africa, French-speaking6